<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共166条记录</span>
        <template #after>
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import')"
          >导入</el-button>
          <el-button
            size="small"
            type="danger"
            @click="exportData"
          >导出</el-button>
          <el-button
            size="small"
            type="primary"
            @click="showDialog=true"
          >新增员工</el-button>
        </template>
      </page-tools>
      <el-card v-loading="loading">
        <el-table
          border
          :data="list"
        >
          <el-table-column
            label="序号"
            sortable=""
            type="index"
          />
          <el-table-column
            label="姓名"
            sortable=""
            prop="username"
          />
          <el-table-column
            label="头像"
            align="center"
          >
            <template slot-scope="{ row }">
              <img
                v-imagError="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
                @click="showQrCode(row.staffPhoto)"
              >
            </template>
          </el-table-column>
          <el-table-column
            label="手机号"
            sortable=""
            prop="mobile"
          />
          <el-table-column
            label="工号"
            sortable=""
            prop="workNumber"
          />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
          />
          <el-table-column
            label="部门"
            sortable=""
            prop="departmentName"
          />
          <el-table-column
            label="入职时间"
            sortable=""
            prop="timeOfEntry"
          >
            <template slot-scope="{ row }">
              {{
                row.timeOfEntry | formatDate
              }}
            </template>
          </el-table-column>
          <el-table-column
            label="账户状态"
            sortable=""
            prop="enableState"
          >
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            sortable=""
            fixed="right"
            width="280"
          >
            <template v-slot="{ row }">
              <el-button
                type="text"
                size="small"
                :disabled="!checkPermission('POINT-USER-UPDATE')"
                @click="$router.push(`/employees/detail/${row.id}`)"
              >查看</el-button>
              <el-button
                type="text"
                size="small"
              >转正</el-button>
              <el-button
                type="text"
                size="small"
              >调岗</el-button>
              <el-button
                type="text"
                size="small"
              >离职</el-button>
              <el-button
                type="text"
                size="small"
                @click="editRole(row.id)"
              >角色</el-button>
              <el-button
                type="text"
                size="small"
                @click="delEmployee"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
      <!-- .sync 是子组件改变父组件里面数据的一种语法糖，可以减少代码量 -->
      <AddEmployee :show-dialog.sync="showDialog" />
      <el-dialog
        title="二维码"
        :visible.sync="showCodeDialog"
      >
        <el-row
          type="flex"
          justify="center"
        >
          <canvas ref="myCanvas" />
        </el-row>
      </el-dialog>
      <AssignRole
        ref="assignRole"
        :show-role-dialog.sync="showRoleDialog"
        :user-id="userId"
      />
    </div>
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import { formatDate } from '@/filters/index'
import AddEmployee from './components/add-employee.vue'
import QrCode from 'qrcode'
import AssignRole from './components/assign-role.vue'
export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data () {
    return {
      loading: false,
      list: [], // 接数据的
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0 // 总数
      },
      showDialog: false,
      showCodeDialog: false,
      showRoleDialog: false,
      userId: null
    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    async editRole (id) {
      this.userId = id
      // 父组件调用子组件方法，保证拿到当前用户拥有的角色id，防止出现闪动
      await this.$refs.assignRole.getUserDetailById(id)
      this.showRoleDialog = true
    },
    changePage (newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    async getEmployeeList () {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    async delEmployee (id) {
      try {
        await this.$confirm('确定删除该员工吗')
        await delEmployee(id)
        await this.getEmployeeList()
        this.$message.success('删除员工成功')
      } catch (error) {
        console.log(error)
      }
    },
    exportData () {
      //  做操作
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // page: this.page.total 的目的是要一次性把全部的员工列表查询出来
      // 2是to的意思
      import('@/vendor/Export2Excel').then(async (excel) => {
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)
        // 复杂表头要与普通表头个数对应，
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        // 表头合并A代表列，数字代表行
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: `员工资料表${Date.now()}`,
          multiHeader, // 复杂表头
          merges // 合并选项
        })
      })
    },
    showQrCode (url) {
      // url存在的情况下 才弹出层
      if (url) {
        this.showCodeDialog = true // 数据更新了 但是我的弹层会立刻出现吗 ？页面的渲染是异步的！！！！
        // 有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url) // 将地址转化成二维码
          // 如果转化的二维码后面信息 是一个地址的话 就会跳转到该地址 如果不是地址就会显示内容
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },

    formatJson (header, rows) {
      return rows.map(item => {
        return Object.keys(header).map(key => {
          if (header[key] === 'timeOfEntry' || header[key] === 'correctionTime') {
            return formatDate(item[header[key]])
          } else if (header[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[header[key]])
            return obj ? obj.value : '未知'
          }
          return item[header[key]]
        })
        // Object.values 返回对象的所有键值对中值的数组
        // return Object.values(header).map(key => {
        //   return item[key]
        // })
      })
      // 要处理时间格式所以不能用下面的
      // return rows.map(item => Object.keys(header).map(key => item[header[key]]))
    }
  }
}
</script>

<style>
</style>
